*{
    margin: 0;
    padding: 0;
}
html,body{
    height: 100%;
}
a{
    text-decoration: none;
}
ul,ol,li{
    list-style: none;
}
.doc{
    width: 100%;
    height: 100%;
    background:url(../images/login.jpg) no-repeat 100% center;
}
.box{
    width: 380px;
    height: 400px;
    background-color: #fff;
    position: absolute;
    left:calc(50% - 190px);
    top:calc(50% - 200px);
}
.box p{
    font-size: 22px;
    color: #000;
    text-align: center;
    margin: 30px auto;
    font-family: '楷体';

}
.box input{
    width: 300px;
    height: 42px;
    padding: 0 0 0 50px;
    margin: 10px 30px 20px 30px;
    border: 1px solid #999;
    border-radius: 5px;
}
.box button{
    width: 300px;
    height: 40px;
    font-size: 20px;
    border-radius: 5px;
    background-color: rgba(0, 0, 255, 0.644);
    color: #fff;
    margin: 30px ;
    border: none;
    font-family: '楷体';

}
.doc .box a{
    padding-left: 30px;
    font-size: 12px;
    padding-right: 10px;
    color: rgba(0, 0, 255, 0.815);
    text-decoration: none;
    font-size: 16px;
    color: #000;
}
.doc .box .glyphicon-user,
.doc .box .glyphicon-lock{
    color: #999;
    font-size: 16px;
}
.doc .box span{
    position: relative;
    left:-310px;
}
.doc .box .glyphicon-hand-right{
    font-size: 16px;
    color: blue
}
.doc .box a:hover{
    color: red;
}